All Frame models ship with external One Connect boxes so that you don’t have to worry about spools of ugly cables spoiling the clean, painting-like look. Source: Internet
As a result, today they are rarely used, and have largely been replaced by large-arbor designs with large diameter spools for faster line retrieval. Source: Internet
Shah's version of morphing skins also uses threads attached to spools which cinch like a belt for actuation. Source: Internet
Common length film spools allowed filming of about 3 minutes to 4.5 minutes at 12, 15, 16 and 18 frames per second. Source: Internet
If a large number of strands are required the disks are duplicated, so that as many as sixty spools may be carried, the second set of strands being laid over the first. Source: Internet
In intarsia, the yarns are used in well-segregated regions, e.g., a red apple on a field of green; in that case, the yarns are kept on separate spools and only one is knitted at any time. Source: Internet